Duban DB10-4221 Acoustic calibrator DATASHEET
| Brand | Duban | Model | DB10-4221 |
|---|---|---|---|
| From | Name | Acoustic calibrator |
Specifications
| sound pressure level | 94dB and 114dB (based on 20µPa) |
| grade | Level 1 |
| Frequency of output sound level | 1000 + 0.1% Hz (thus correcting on A, B, C, D or Linear Frequency Weighting) |
| Meet the standard | GB/T15173 and IEC942 |
| Scope of application | φ 12.7mm (1/2 inch) and φ 23.77mm (1 inch) microphones and acoustic measuring instruments calibrated |
| Power Supply | 2*1.5V AAA |
| Operating temperature | -10~+50°C |
| Storage temperature | -40~+65°C |
| temperature coefficient | 0~0.01dB/°C |
| high impact | For every 60 meters above sea level, the sound pressure decreases by 0.1 dB |
| size | 61x52x93mm |
| Net Weight | About 200g |
Packing list
Host X1, Encasement box X1, Manual X1
After-sales instructions
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/47453/Specification.html , which is only used by users who purchase commodities from the NBCHAO.
Created on : 2025/12/17